4,maybe more power saving when the records too much,because can use wildcard DNS records. such as google domain, only need one record “.google.com ” that can represents all the subdomains.

Usage :

1,make the hosts file by self or get from Internet.
2,put the file into your phone anywhere you can choose or accessible.
3,start app. click the blue button where at the bottom of the scree , then select the hosts file which you make or get from Internet.
4, click the big white button which like a switch for running and the white button will turn green.
5,enjoy it!